Table 3 Indication for surgery, ASA-classification and procedural data according to HADS-A values (n = 98)

Stenosis ipsilateral mean (IQR)

85.8 (80-90)

86.5 (80-90)

.551^a

Stenosis contralateral mean (IQR)

45.3 (30-68.8)

41.4 (25-65)

.508^a

ASA classification grade

 2

8 (17)

2 (7)

.301^b

 3

39 (81)

28 (93)

.188^b

 4

1 (2)

0

1.0^b

 Missing

12 (20)

8 (21)

.901^b

Eversion endarterectomy under LA

55 (92)

34 (89)

.718^b

 Secondary general anaesthesia

0

2 (5)

.074^b

Eversion endarterectomy under GA

3 (6)

1 (3)

0.568^b

Conventional endarterectomy in LA

2 (3)

3 (9)

.322^b

 Secondary general anaesthesia

0

1 (3)

.211^b

Shunt placement

2 (3)

3 (8)

.373^b

Mean overall procedure time in minutes (IQR)

72 (57.8-82.3)

71 (55.8-83.8)

.897^a

Mean ICA clamping time in minutes (IQR)

18 (11.8-22.0)

19 (11.5-25.5)

.507^a